543458649 has 16 divisors (see below), whose sum is σ = 743541120. Its totient is φ = 352871040.

The previous prime is 543458623. The next prime is 543458659. The reversal of 543458649 is 946854345.

It is not a de Polignac number, because 543458649 - 2⁸ = 543458393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543458598 and 543458607.

It is not an unprimeable number, because it can be changed into a prime (543458659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76167 + ... + 82995.

It is an arithmetic number, because the mean of its divisors is an integer number (46471320).

Almost surely, 2^543458649 is an apocalyptic number.

It is an amenable number.

543458649 is a deficient number, since it is larger than the sum of its proper divisors (200082471).

543458649 is a wasteful number, since it uses less digits than its factorization.

543458649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520.

The product of its digits is 2073600, while the sum is 48.

The square root of 543458649 is about 23312.1995744717. The cubic root of 543458649 is about 816.0601452087.

The spelling of 543458649 in words is "five hundred forty-three million, four hundred fifty-eight thousand, six hundred forty-nine".